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Cheap flights from Boston to the United Kingdom from £142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to the United Kingdom departing on 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:15 - 21:00
BOS
-
GLA
18h 45m1 stop
Multiple Airlines Logo
07:45 - 13:55
GLA
-
BOS
11h 10m1 stop
£311Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
21:15 - 14:10
BOS
-
GLA
11h 55m1 stop
Multiple Airlines Logo
07:25 - 13:55
GLA
-
BOS
11h 30m1 stop
£318Multiple Airlines
Sun, 18 Jan - Sun, 25 Jan
Multiple Airlines Logo
19:50 - 21:00
BOS
-
GLA
20h 10m2 stops
Multiple Airlines Logo
08:20 - 17:50
GLA
-
BOS
14h 30m2 stops
£334Multiple Airlines
Wed, 7 Jan - Mon, 12 Jan
Icelandair Logo
19:50 - 10:20
BOS
-
EDI
9h 30m1 stop
Icelandair Logo
12:20 - 17:50
EDI
-
BOS
10h 30m1 stop
£363Icelandair
Mon, 12 Jan - Tue, 20 Jan
Icelandair Logo
19:50 - 10:20
BOS
-
EDI
9h 30m1 stop
Icelandair Logo
12:20 - 17:50
EDI
-
BOS
10h 30m1 stop
£365Icelandair
Thu, 8 Jan - Fri, 23 Jan
British Airways Logo
19:15 - 07:00
BOS
-
LHR
6h 45mdirect
British Airways Logo
19:10 - 21:55
LHR
-
BOS
7h 45mdirect
£381British Airways
Thu, 8 Jan - Sun, 11 Jan
Virgin Atlantic Logo
10:05 - 08:10
BOS
-
LCY
17h 05m2 stops
Virgin Atlantic Logo
07:45 - 13:25
LCY
-
BOS
10h 40m1 stop
£392Virgin Atlantic
Mon, 2 Feb - Wed, 4 Feb
Aer Lingus Logo
17:10 - 08:45
BOS
-
SOU
10h 35m1 stop
Aer Lingus Logo
09:30 - 18:59
SOU
-
BOS
14h 29m1 stop
£406Aer Lingus
Sat, 17 Jan - Sat, 24 Jan
British Airways Logo
15:35 - 10:55
BOS
-
MAN
14h 20m2 stops
British Airways Logo
12:55 - 21:55
MAN
-
BOS
14h 00m1 stop
£417British Airways
Sun, 11 Jan - Sun, 18 Jan
Virgin Atlantic Logo
18:35 - 08:50
BOS
-
SOU
33h 15m2 stops
Virgin Atlantic Logo
09:25 - 18:30
SOU
-
BOS
38h 05m2 stops
£513Virgin Atlantic
Sat, 17 Jan - Sat, 24 Jan

Air Canada flights from Boston to United Kingdom

Our best Air Canada deals on Boston to United Kingdom flight tickets
Air Canada
23 Jan
BOS15:40Boston Logan Intl
10h 30m
1 stop
LHR07:10London Heathrow
28 Jan
LHR13:45London Heathrow
34h 57m
2 stops
BOS19:42Boston Logan Intl
£382
Find similar
Air Canada
30 Dec
BOS18:40Boston Logan Intl
20h 55m
1 stop
LHR20:35London Heathrow
12 Jan
LHR09:00London Heathrow
13h 50m
1 stop
BOS17:50Boston Logan Intl
£384
Find similar
Air Canada
12 Mar
BOS05:30Boston Logan Intl
21h 40m
1 stop
LHR07:10London Heathrow
19 Mar
LHR06:50London Heathrow
16h 22m
2 stops
BOS19:12Boston Logan Intl
£387
Find similar

JetBlue flights from Boston to United Kingdom

Our best JetBlue deals on Boston to United Kingdom flight tickets
JetBlue
25 Apr
BOS18:29Boston Logan Intl
7h 01m
LHR06:30London Heathrow
17 May
LHR08:25London Heathrow
7h 39m
BOS11:04Boston Logan Intl
£388
Find similar
JetBlue
24 Jan
BOS12:15Boston Logan Intl
16h 15m
1 stop
LHR09:30London Heathrow
28 Jan
LHR09:20London Heathrow
7h 56m
BOS12:16Boston Logan Intl
£398
Find similar
JetBlue
29 Mar
BOS18:29Boston Logan Intl
7h 01m
LHR06:30London Heathrow
2 Apr
LHR08:25London Heathrow
7h 58m
BOS11:23Boston Logan Intl
£403
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Boston to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Boston to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonGlasgow

BOS - GLA

BOSGLA

Boston Logan Intl

Wed 28/1

21:15-21:00

1 stop18h 45m

Glasgow Intl

Wed 4/2

07:45-13:55

1 stop11h 10m

£311

BostonGlasgow

BOS - GLA

BOSGLA

Boston Logan Intl

Sun 18/1

21:15-14:10

1 stop11h 55m

Glasgow Intl

Sun 25/1

07:25-13:55

1 stop11h 30m

£318

BostonGlasgow

BOS - GLA

BOSGLA

Boston Logan Intl

Wed 7/1

19:50-21:00

2 stops20h 10m

Glasgow Intl

Mon 12/1

08:20-17:50

2 stops14h 30m

£334

BostonEdinburgh

BOS - EDI

BOSEDI

Boston Logan Intl

Mon 12/1

19:50-10:20

1 stop9h 30m

Edinburgh Turnhouse

Tue 20/1

12:20-17:50

1 stop10h 30m

£363

BostonEdinburgh

BOS - EDI

BOSEDI

Boston Logan Intl

Thu 8/1

19:50-10:20

1 stop9h 30m

Edinburgh Turnhouse

Fri 23/1

12:20-17:50

1 stop10h 30m

£365

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/1

19:15-07:00

Nonstop6h 45m

London Heathrow

Sun 11/1

19:10-21:55

Nonstop7h 45m

£381

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 2/2

10:05-08:10

2 stops17h 05m

London City

Wed 4/2

07:45-13:25

1 stop10h 40m

£392

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 17/1

17:10-08:45

1 stop10h 35m

Southampton Eastleigh

Sat 24/1

09:30-18:59

1 stop14h 29m

£406

BostonManchester

BOS - MAN

BOSMAN

Boston Logan Intl

Sun 11/1

15:35-10:55

2 stops14h 20m

Manchester

Sun 18/1

12:55-21:55

1 stop14h 00m

£417

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 17/1

18:35-08:50

2 stops33h 15m

Southampton Eastleigh

Sat 24/1

09:25-18:30

2 stops38h 05m

£513

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Boston to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Boston is in October. Flight prices, which tend to average around £387, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around £404.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Boston to United Kingdom is on a Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £472. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to United Kingdom for around £591.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £508. Try not to purchase tickets in the morning because they tend to be around £534. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boston Logan Intl to United Kingdom flight route?

Fly from Boston Logan Intl to London Heathrow for the best Boston Logan Intl - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £477 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Boston for as low as £455 on momondo.

What cabin class options are available on Boston Logan Intl to United Kingdom flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to United Kingdom flights?

No. A direct flight is the cheapest option for a flight between Boston to United Kingdom.

Cheap Boston to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to United Kingdom

Best price found

£167

Fastest flight time

6h 20m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from Boston in the past 72 hours is £167. The best return flight deal from Boston to United Kingdom found on momondo in the last 72 hours is £389.
The fastest flight from Boston to United Kingdom takes 6h 20m
Direct flights go from Boston to United Kingdom every day.
There are 2 airports near United Kingdom: London Heathrow (LHR), Edinburgh Turnhouse (EDI)
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to United Kingdom?

    Prices for flights from Boston Logan Intl Airport to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to United Kingdom?

  • How old do you have to be to fly from Boston Logan Intl Airport to United Kingdom?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to United Kingdom?

Best airlines flying from Boston to United Kingdom

Compare and see reviews for airlines that fly from Boston to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £231Free CancellationRating
7.4
1,502 reviews
Search Air France flights
IcelandairPriceFrom £259Free CancellationRating
7.0
584 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £353Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £356Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
FinnairPriceFrom £359Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
KLMPriceFrom £361Free CancellationRating
7.7
1,430 reviews
Search KLM flights
British AirwaysPriceFrom £370Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
Aer LingusPriceFrom £381Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
LufthansaPriceFrom £423Free CancellationRating
6.8
7,613 reviews
Search Lufthansa flights
IberiaPriceFrom £429Free CancellationRating
7.0
3,040 reviews
Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to United Kingdom?

Finding the right flight to United Kingdom from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

Can I find flights from Boston to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to United Kingdom?

momondo helps you find the best flight between Boston and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your United Kingdom trip

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Find better results for your trip to the United Kingdom

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Popular flights according to clicks in the last 7 days on momondo
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